chore(deps): bump org.jenkins-ci.main:jenkins-core from 2.538 to 2.539 (#444)

Bumps [org.jenkins-ci.main:jenkins-core](https://github.com/jenkinsci/jenkins) from 2.538 to 2.539.
- [Release notes](https://github.com/jenkinsci/jenkins/releases)
- [Commits](jenkinsci/jenkins@jenkins-2.538...jenkins-2.539)

---
updated-dependencies:
- dependency-name: org.jenkins-ci.main:jenkins-core
  dependency-version: '2.539'
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pom.xml

@@ -63,7 +63,7 @@
     <dependency>
       <groupId>org.jenkins-ci.main</groupId>
       <artifactId>jenkins-core</artifactId>
-      <version>2.538</version>
+      <version>2.539</version>
     </dependency>
     <dependency>
       <groupId>org.jenkins-ci.plugins</groupId>